Mark Harmon hinted at his NCIS exit two years before leaving, proving his departure was no surprise. Was it always the plan?

Rumor has it NCIS star Mark Harmon used his clout to get creator Donald P. Bellisario fired because they were feuding, but ...

However, despite his retirement, fans were surprised to see Harmon’s name remain in the NCIS opening credits for the rest of Season 19. While there was no official explanation from the network for ...

NCIS star Mark Harmon very nearly walked away from the show after season 4 due to a behind-the-scenes clash with one of his ...

A Lord of the Rings star wanted to leave NCIS for sitcoms and more family time — but Hollywood had other plans for his career ...

Recalling a story Carroll told last year about when Mark Harmon pranked him in the middle of shooting one of his earliest ...

NCIS Origins will delve into the backstory of veteran Agent Leroy Gibbs when he first joined Camp Pendleton in the 1990s.